Answer:
A
Explanation:
when did sexual reproduction have that but anyway its A
Examples of index fossils include: Ammonites were common during the Mesozoic Era (245 to 65 mya), They were not found after the Cretaceous period, as they went extinct during the K-T extinction (65 mya).
<span>The DNA sequence determines the order.
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Answer:
1st law of thermodynamics- energy can not be created or destroyed
2nd law of thermodynamics- energy becomes less useable
-only ten percent of energy in the producer level can be transferred to the next level and so onto the next level
- the lost energy either becomes heat or waste
Answer:
yeah i know it
Explanation:
joke I don't understand the question